Home / 85,904.13-118,501.93-50,081.07

Finding the Fourth Proportional to 85,904.13, 118,501.93 and 50,081.07

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Solution

The fourth proportional to 85,904.13, 118,501.93 and 50,081.07 is: 69,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,904.13 : 118,501.93 = 50,081.07 : x
  2. Step 2: Convert to fraction form
    85,904.13/118,501.93 = 50,081.07/x
  3. Step 3: Cross multiply
    85,904.13x = 118,501.93 × 50,081.07
  4. Step 4: Simplify right side
    85,904.13x = 5,934,703,326.26
  5. Step 5: Solve for x
    x = 5,934,703,326.26/85,904.13
  6. Step 6: Final answer
    x = 69,085.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.